I'd bet you could do a search for Tom Mabe and hear many of his tapes. The one with the phone saleman wanting to clean the carpets in one room of his house is hilarious. He eventually asks the guy is his shampoo will remove blood stains....well, you get the drift...Here's another one that was on the list at the right of the screen:
https://www.youtube.com/watch?v=J5z4Vs26-TI...feature=related
I'd try it if I thought I could keep a straight face.